This month’s Student BMJ has an evidence-based medicine theme, and along with articles featuring student and expert perspectives (including one from our own David Carroll) is this little gem. This uses the Facebook friend finder as analogous to any diagnostic test that might be used clinically, and offers elegant and memorable explanations of sensitivity and specificity. As a relatively short and easy to read article, it shouldn’t take more than 5 or 10 minutes to introduce anyone new to medical statistics to the topic or to refresh your memory. Anyone familiar with social media will doubtless find this a memorable explanation.

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I'm Alice, a fifth year medical student at the University of Oxford. I did my 'intercalated year' focusing on immunology. At the moment, my particular interests are in immunology, reproductive biology, and obstetrics. View more posts from Alice

The EU Trials Tracker, devised by the EBM DataLab at the University of Oxford, tracks which trials on the European Union Clinical Trials Register (EUCTR) have reported their results within a year of completion. Learn more about this tracker and how you need to take action.

This blog, written by Leonard Goh, was the winner of Cochrane Malaysia and Penang Medical College’s recent evidence-based medicine blog writing competition. Leonard has written an insightful and informative piece to answer the question: ‘Evidence-based health practice: a fairytale or reality’.